What does "Thomas Jefferson's concubine" mean ... which reportedly occurred after the death of his wife, Martha, who was also Sally's half-sister due to their father raping Sally's mother.

Among them were Thomas Jefferson’s daughter Martha Jefferson Randolph, Andrew Jackson’s daughter-in-law Sarah Yorke Jackson, and his wife’s niece Emily Donelson, and Chester A. Arthur’s ...

Thomas Jefferson was a contradictory character: the Virginia aristocrat known as the "man of the people"; the president who simplified the office yet never denied himself a luxury; the slave owner ...